US Bridges

Dillard Road over Trib of Bayou Pierre

Fair

Copiah County, Mississippi · Sec 35 T 1N R 3W · Structure no. SA1500000000031

Built
2016
9 years old
Condition
Fair
inspected February 2023
Type
Channel Beam
Concrete
Length
95 ft
5 main spans
Daily traffic
20
2015 count
Owner
County
County Highway Agency

About this bridge

Dillard Road over Trib of Bayou Pierre is a concrete channel beam carrying Dillard Road over Trib of Bayou Pierre in Copiah County, Mississippi. It was built in 2016, so it is 9 years old, younger than the Mississippi average of 38.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 20 vehicles a day, projected to reach 50 by 2040. The structure is 95 ft (28.9 m) long and 25 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDillard Road
CrossesTrib of Bayou Pierre
LocationSec 35 T 1N R 3W
RouteCounty Highway 197
Coordinates31.87581, -90.47703
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.4 US tons
Inventory rating33.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length95 ft (28.9 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2015)
Projected traffic50 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$399,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dillard Road over Trib of Bayou Pierre built?

It was built in 2016, making it 9 years old in 2025.

What condition is Dillard Road over Trib of Bayou Pierre in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.

How much traffic does Dillard Road over Trib of Bayou Pierre carry?

About 20 vehicles per day (2015 count).

How long is Dillard Road over Trib of Bayou Pierre?

The structure is 95 ft (28.9 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns Dillard Road over Trib of Bayou Pierre?

It is owned by the County Highway Agency.